DE602006004136D1 - Lautsprecher- und Mikrofonanordnung - Google Patents

Lautsprecher- und Mikrofonanordnung

Info

Publication number
DE602006004136D1
DE602006004136D1 DE602006004136T DE602006004136T DE602006004136D1 DE 602006004136 D1 DE602006004136 D1 DE 602006004136D1 DE 602006004136 T DE602006004136 T DE 602006004136T DE 602006004136 T DE602006004136 T DE 602006004136T DE 602006004136 D1 DE602006004136 D1 DE 602006004136D1
Authority
DE
Germany
Prior art keywords
dimensional digital
ripples
digital filters
amplitude
speakers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE602006004136T
Other languages
English (en)
Inventor
Kiyoshi Nishikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaha Corp
Original Assignee
Kanazawa University NUC
Yamaha Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kanazawa University NUC, Yamaha Corp filed Critical Kanazawa University NUC
Publication of DE602006004136D1 publication Critical patent/DE602006004136D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/403—Linear arrays of transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
DE602006004136T 2005-10-12 2006-10-12 Lautsprecher- und Mikrofonanordnung Active DE602006004136D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005298231 2005-10-12

Publications (1)

Publication Number Publication Date
DE602006004136D1 true DE602006004136D1 (de) 2009-01-22

Family

ID=37546676

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006004136T Active DE602006004136D1 (de) 2005-10-12 2006-10-12 Lautsprecher- und Mikrofonanordnung

Country Status (4)

Country Link
US (1) US8000481B2 (de)
EP (1) EP1775989B1 (de)
AT (1) ATE417480T1 (de)
DE (1) DE602006004136D1 (de)

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KR101524463B1 (ko) * 2007-12-04 2015-06-01 삼성전자주식회사 어레이 스피커를 통해 음향을 포커싱하는 방법 및 장치
KR101520618B1 (ko) 2007-12-04 2015-05-15 삼성전자주식회사 어레이 스피커를 통해 음향을 포커싱하는 방법 및 장치
US9743201B1 (en) * 2013-03-14 2017-08-22 Apple Inc. Loudspeaker array protection management
GB2513884B (en) 2013-05-08 2015-06-17 Univ Bristol Method and apparatus for producing an acoustic field
US9257113B2 (en) * 2013-08-27 2016-02-09 Texas Instruments Incorporated Method and system for active noise cancellation
US9612658B2 (en) 2014-01-07 2017-04-04 Ultrahaptics Ip Ltd Method and apparatus for providing tactile sensations
GB2530036A (en) 2014-09-09 2016-03-16 Ultrahaptics Ltd Method and apparatus for modulating haptic feedback
EP3916525A1 (de) 2015-02-20 2021-12-01 Ultrahaptics IP Limited Wahrnehmungen in einem haptischen system
ES2908299T3 (es) 2015-02-20 2022-04-28 Ultrahaptics Ip Ltd Mejoras del algoritmo en un sistema háptico
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
US9554207B2 (en) 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
US10818162B2 (en) 2015-07-16 2020-10-27 Ultrahaptics Ip Ltd Calibration techniques in haptic systems
US11189140B2 (en) 2016-01-05 2021-11-30 Ultrahaptics Ip Ltd Calibration and detection techniques in haptic systems
US10268275B2 (en) 2016-08-03 2019-04-23 Ultrahaptics Ip Ltd Three-dimensional perceptions in haptic systems
JP6763721B2 (ja) * 2016-08-05 2020-09-30 大学共同利用機関法人情報・システム研究機構 音源分離装置
US10943578B2 (en) 2016-12-13 2021-03-09 Ultrahaptics Ip Ltd Driving techniques for phased-array systems
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
US20180304310A1 (en) * 2017-04-24 2018-10-25 Ultrahaptics Ip Ltd Interference Reduction Techniques in Haptic Systems
US11531395B2 (en) 2017-11-26 2022-12-20 Ultrahaptics Ip Ltd Haptic effects from focused acoustic fields
EP3729418A1 (de) 2017-12-22 2020-10-28 Ultrahaptics Ip Ltd Minimierung von unerwünschten antworten in haptischen systemen
US11360546B2 (en) 2017-12-22 2022-06-14 Ultrahaptics Ip Ltd Tracking in haptic systems
US10522167B1 (en) * 2018-02-13 2019-12-31 Amazon Techonlogies, Inc. Multichannel noise cancellation using deep neural network masking
SG11202010752VA (en) 2018-05-02 2020-11-27 Ultrahaptics Ip Ltd Blocking plate structure for improved acoustic transmission efficiency
WO2019231632A1 (en) 2018-06-01 2019-12-05 Shure Acquisition Holdings, Inc. Pattern-forming microphone array
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
US11098951B2 (en) 2018-09-09 2021-08-24 Ultrahaptics Ip Ltd Ultrasonic-assisted liquid manipulation
WO2020061353A1 (en) 2018-09-20 2020-03-26 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
US11378997B2 (en) 2018-10-12 2022-07-05 Ultrahaptics Ip Ltd Variable phase and frequency pulse-width modulation technique
WO2020141330A2 (en) 2019-01-04 2020-07-09 Ultrahaptics Ip Ltd Mid-air haptic textures
US11438691B2 (en) 2019-03-21 2022-09-06 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition functionality
US11303981B2 (en) 2019-03-21 2022-04-12 Shure Acquisition Holdings, Inc. Housings and associated design features for ceiling array microphones
US11558693B2 (en) 2019-03-21 2023-01-17 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality
US11842517B2 (en) 2019-04-12 2023-12-12 Ultrahaptics Ip Ltd Using iterative 3D-model fitting for domain adaptation of a hand-pose-estimation neural network
US11445294B2 (en) 2019-05-23 2022-09-13 Shure Acquisition Holdings, Inc. Steerable speaker array, system, and method for the same
TW202105369A (zh) 2019-05-31 2021-02-01 美商舒爾獲得控股公司 整合語音及雜訊活動偵測之低延時自動混波器
EP3769768A1 (de) 2019-07-23 2021-01-27 Consejo Superior de Investigaciones Cientificas (CSIC) Verbindungen zur behandlung von morbus parkinson
US11297426B2 (en) 2019-08-23 2022-04-05 Shure Acquisition Holdings, Inc. One-dimensional array microphone with improved directivity
US11374586B2 (en) 2019-10-13 2022-06-28 Ultraleap Limited Reducing harmonic distortion by dithering
CA3154040A1 (en) 2019-10-13 2021-04-22 Benjamin John Oliver LONG Dynamic capping with virtual microphones
US11169610B2 (en) 2019-11-08 2021-11-09 Ultraleap Limited Tracking techniques in haptic systems
US11715453B2 (en) 2019-12-25 2023-08-01 Ultraleap Limited Acoustic transducer structures
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
WO2021243368A2 (en) 2020-05-29 2021-12-02 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
US11816267B2 (en) 2020-06-23 2023-11-14 Ultraleap Limited Features of airborne ultrasonic fields
WO2022058738A1 (en) 2020-09-17 2022-03-24 Ultraleap Limited Ultrahapticons
US11785380B2 (en) 2021-01-28 2023-10-10 Shure Acquisition Holdings, Inc. Hybrid audio beamforming system
CN115169250B (zh) * 2022-09-05 2022-12-09 湖北工业大学 基于改进混合整数差分进化的麦克风阵列优化方法及系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0728470B2 (ja) * 1989-02-03 1995-03-29 松下電器産業株式会社 アレイマイクロホン

Also Published As

Publication number Publication date
EP1775989B1 (de) 2008-12-10
ATE417480T1 (de) 2008-12-15
US8000481B2 (en) 2011-08-16
EP1775989A1 (de) 2007-04-18
US20070081677A1 (en) 2007-04-12

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